Receive data from remote notification

AppDelegate_FCM_Data.swift

func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable : Any], fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
    print("Dhruw: Dumping notification payload")
    if application.applicationState != .active {
      let value1: String? = userInfo["key1"] as? String
      let value2: String? = userInfo["key2"] as? String
      let value3: Bool? = userInfo["key3"] as? Bool
      // do something with the received data
    }
  }